Home / 74,261.37-111,393.27-21,670.50

Finding the Fourth Proportional to 74,261.37, 111,393.27 and 21,670.50

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Solution

The fourth proportional to 74,261.37, 111,393.27 and 21,670.50 is: 32,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,261.37 : 111,393.27 = 21,670.50 : x
  2. Step 2: Convert to fraction form
    74,261.37/111,393.27 = 21,670.50/x
  3. Step 3: Cross multiply
    74,261.37x = 111,393.27 × 21,670.50
  4. Step 4: Simplify right side
    74,261.37x = 2,413,947,857.54
  5. Step 5: Solve for x
    x = 2,413,947,857.54/74,261.37
  6. Step 6: Final answer
    x = 32,506.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.